222013280 has 24 divisors (see below), whose sum is σ = 524506752. Its totient is φ = 88805248.

The previous prime is 222013279. The next prime is 222013313. The reversal of 222013280 is 82310222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693632 + ... + 693951.

It is an arithmetic number, because the mean of its divisors is an integer number (21854448).

Almost surely, 2^222013280 is an apocalyptic number.

222013280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222013280 is an abundant number, since it is smaller than the sum of its proper divisors (302493472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222013280 is a wasteful number, since it uses less digits than its factorization.

222013280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387598 (or 1387590 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 222013280 is about 14900.1100667076. The cubic root of 222013280 is about 605.5169681416.

The spelling of 222013280 in words is "two hundred twenty-two million, thirteen thousand, two hundred eighty".